使用方法

Choose a mode: count business days between two dates, or find the date that is N business days from a start date.
Set the start date and either the end date or the number of business days.
Optionally enter public holidays as comma-separated dates to exclude them from the count.
Read the result — weekends are always excluded, and any entered holidays are also skipped.

示例

From 2025-01-01 to 2025-01-31 with no holidays entered gives 23 business days (weekends excluded).
Adding 2025-01-20 as a holiday reduces the count by 1 to 22 business days for the same range.